AI platform engineer for developer experience

Описание:We are looking for a Senior AI Platform Engineer – Developer Experience (d/f/m) to join our Developer Experience team and help shape the shared AI platform capabilities used across engineering at Kleinanzeigen. Kleinanzeigen is Germany’s No. 1 online classifieds platform, reaching more than 36 million users per month. With around 600 colleagues working across product, technology and business functions, we build and operate the technology behind one of Germany’s most widely used digital platforms. As AI becomes an increasingly important part of software development, we want to move beyond individual tools and experiments and provide engineers with reliable, reusable and governed AI capabilities.Задачи:Design and build shared AI platform capabilities that can be used by engineering teams across KleinanzeigenBuild and evolve a unified way for developers, applications and agents to access approved AI models and providersDevelop AI Gateway capabilities such as model routing, rate limiting, caching, fallbacks, quotas, usage attribution and cost controlsEvaluate and integrate new models and model providers and help define how they can be introduced into our engineering ecosystemBuild and evolve MCP Gateway capabilities that allow agents to securely discover and interact with internal tools and dataContribute to agent runtime and secure execution capabilities for AI-powered workflowsBuild platform mechanisms for identity, authentication, authorization, delegated access, guardrails, data protection and auditingDevelop AI observability and evaluation capabilities, including tracing, quality measurement, latency, usage and costBuild APIs, SDKs, CLIs, templates and golden paths that make AI capabilities easy for engineering teams to adoptContribute to reusable developer AI workflows and the discovery of approved models, tools and agent capabilitiesCollaborate with Developer Experience, AI Enablement, Release Engineering, DevOps and product engineering teams to identify gaps, avoid duplicated solutions and evolve a coherent AI platformParticipate in agile ceremonies and contribute to shaping the team's ways of working, including optimizing the way we work with AIТребования:You have hands-on experience building or operating AI platform capabilities used by multiple teams or applicationsYou have experience with LLM gateways or model abstraction layers, including concepts such as provider routing, fallbacks, rate limiting, caching, quotas or cost controlsYou have practical experience with AI agent development frameworks, tool calling and agentic workflowsYou have experience with MCP or similar approaches for connecting agents to tools, APIs and internal dataYou understand how to evaluate and observe LLM-powered systems, including tracing, quality evaluation, latency, usage and costYou have worked with model providers or platforms such as AWS Bedrock, OpenAI or comparable servicesYou understand platform concerns around identity, authentication, authorization, guardrails, data protection and auditingYou have strong software engineering fundamentals and hands-on experience building backend or platform servicesYou are proficient in at least one programming language such as Java, Kotlin or PythonYou are comfortable designing and building APIs, integrations and distributed servicesYou have experience with cloud infrastructure, ideally AWS, and understand concepts such as containers, networking, identity and service-to-service communicationYou are familiar with modern infrastructure and delivery practices such as Kubernetes, Terraform and CI/CDYou are comfortable working in an area where technologies and patterns are still evolving and can make pragmatic technical decisions under uncertaintyStrong communication skills in English.Будет плюсом: German is a plus; Experience with agent runtimes or secure sandbox environments; Experience with context engineering, RAG, embeddings, retrieval or reranking; Experience building AI SDKs, CLIs, templates or developer workflows; Experience with internal developer platforms or developer toolingУсловия:Flexible working time (hybrid) 20 days “work from anywhere”Paid additional parental leave for both parentsExtra paid days off for special occasions (e.g. your wedding or a move)Confidential support & coaching for you and your loved onesAnnual company sports eventsPension and life insurancePersonal development budgetLearning opportunities to grow your skills and careerCorporate benefits and exclusive discountsAn attractive referral programTransportation allowanceFree shipping on Kleinanzeigen Direktkauf #J-18808-Ljbffr